Zack Buhman
dcb9f36120
Notably missing is: - BSC (PDTRA / PCTRA) This also updates a handful of files to use the new sh7091_bits.hpp.
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
#include "type.hpp"
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#include "sh7091.hpp"
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#include "sh7091_bits.hpp"
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#include "cache.hpp"
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extern volatile reg32 sh7091_ic_a[256][(1 << 5) / 4] __asm("sh7091_ic_a");
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extern volatile reg32 sh7091_oc_a[512][(1 << 5) / 4] __asm("sh7091_oc_a");
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namespace cache {
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void init()
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{
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for (int i = 0; i < 256; i++) {
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sh7091_ic_a[i][0] = 0;
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}
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for (int i = 0; i < 512; i++) {
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sh7091_oc_a[i][0] = 0;
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}
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using namespace ccn::ccr;
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sh7091.CCN.CCR = ici::clear_v_bits_of_all_ic_entries // instruction cache invalidate
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| ice::ic_used // instruction cache enable
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| oci::clear_v_and_u_bits_of_all_oc_entries // operand cache invalidate
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| oce::oc_used // operand cache enable
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// | cb::copy_back_mode // enable copy-back mode for the P1 area
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;
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sh7091.CCN.MMUCR = ccn::mmucr::at::mmu_disabled;
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asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop;");
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}
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}
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